/*指针变量作为函数参数*/
#include <stdio.h>
int main(){
	void swap(int *p1,int *p2);
	int a,b;
	int *pointer_1,*pointer_2;
	printf("please enter a and b:");
	scanf("%d,%d",&a,&b);
	pointer_1=&a;
	pointer_2=&b;
	if(a<b) swap(pointer_1,pointer_2);
	printf("max=%d,min=%d\n",a,b);
}
void swap(int *p1,int *p2){
	int temp;
	temp=*p1;
	*p1=*p2;
	*p2=temp;
}
